The Guardian | Saeed Kamali Dehghan�and�Julian Borger:�Iran�s supreme leader has blamed the Islamic Republic�s enemies for nationwide unrest, as authorities cracked down with increasing intensity on protesters, leading to the death toll rising.

�In the events of the past few days, the enemies of Iran are deploying every means at their disposal including money, arms and political and intelligence support to coordinate making troubles for the Islamic establishment,��Ayatollah Ali Khamenei�said in his first public remarks since the protests began on Thursday.

Videos posted on social networks suggest riot police and protesters are becoming more confrontational. In a sign that the rhetoric is also hardening, Esmail Kowsari, a senior Revolutionary Guards commander, vowed that the elite forces would crush those he said were disturbing the country�s security. In the event that the unrest continued, �the authorities will undoubtedly make a decision and finish the business�, Kowsari said.

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